求出了有氢和无氢条件下稳定解理裂纹核尺寸ａｃ（Ｈ）和ａｃ由于氢促进局部塑性变形，氢降低表面能以及裂纹核中存在氢压，故ａｃ（Ｈ）＜ａｃ．这就表明，氢能促进解理裂纹的形核以及稳定化．
The expressions of critical size of a stable cleavage crack nucleus in the absence and presence of hydrogen are given respectively as follows:It could be concluded that ac(H)
参考文献
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| [2] | 王燕斌,褚武扬,肖纪美．中国科学,1989,10A:10652褚武扬,肖纪美,ThompsonAW．金属学报,1992,28:A673ChuWY,ThompsomAW．Metall．Thans,1992,23A:12994StrohAN．PFOC．ROy．SOC,1954,233A:404 |
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